Finding the Third Proportional to 9,090 and 13,435

Step by Step Solution

1. Step 1: Write the proportion equation
   9,090 : 13,435 = 13,435 : x
2. Step 2: Convert to fraction form
   9,090/13,435 = 13,435/x
3. Step 3: Cross multiply
   9,090x = 13,435 × 13,435
4. Step 4: Simplify right side
   9,090x = 180,499,225
5. Step 5: Solve for x
   x = 180,499,225/9,090
6. Step 6: Final answer
   x = 19,856.90